Definition of ocean sunfish

: a large bony fish (Mola mola of the family Molidae, order Tetraodontiformes) having high dorsal and anal fins and a body nearly oval in outline and attaining a length of 10 feet (3 meters) and a weight in excess of 2 tons (1.8 metric tons)

Recent Examples of ocean sunfish from the Web

Its heaviest modern counterpart is the ocean sunfish, which at its largest weighs in at a modest 5,000 pounds.

Among those spotted were a live ocean sunfish and warm-water blue shark in the Gulf of Alaska, mahi mahi off the coast of Oregon, a Pacific sea turtle common in the Galapagos near San Francisco, and marlin in the waters off Southern California.

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